CVE-2026-56866
HighAdvisory
Published 8 Oct 2026In the index since 9 Oct 2026
- Severity
- High
- worst across findings
- CVSS
- 7.5
- base score, highest
- EPSS
- 0.003
- 22nd percentile
- CISA KEV
- Not listed
- no confirmed exploitation
- Charts affected
- 5,515
- of 18,090 indexed, latest versions
- Container images
- 6,355
- deployed by those charts
- Fix available
- 1 of 3
- affected packages
HTTP/1 client connection desynchronization after CONNECT rejection in net/http
Carried by container images the latest versions of 5,515 of 18,090 indexed charts deploy, on 6,355 images.
| Affected package | Affected versions | Fixed in | Images |
|---|---|---|---|
| stdlibgolang | go1.13, go1.13.1, go1.13.3, go1.13.4+212 more | 1.26.9 | 6,355 |
| golang-1.19deb | 1.19.8-2 | no fix listed | 1 |
| ingress-nginx-controller-1.15apk | 1.15.10-r3 | no fix listed | 1 |
- OSV records
- DEBIAN-CVE-2026-56866GO-2026-6605CGA-54v4-442r-c4x8
- Also known as
- CGA-h688-8p8g-gxgc, CGA-hmf8-6fq9-3ghf, CGA-m9cf-cw7m-mrq2, CGA-q4hr-6p8w-58w4, CGA-vrj7-cmwf-3pg8
- Trending
- Rank 8 in indexed charts, since 9 Oct 2026. See the ranking →
Charts affected
5,515 by stars
| Chart | Latest | Affected images | Radar Score |
|---|---|---|---|
| kube-prometheuschoerodon | 9.3.1 | 4 of 7See more | 17,143 |
| cloudflare-ddnscloudflareVerified publisher | 1.0.3 | 1 of 1See more | 622 |
| timescaledbcloudpirates-timescaledbVerified publisher | 0.13.12 | 1 of 1See more | 1,085 |
| openstack-cinder-csicloud-provider-openstack | 2.36.5 | 7 of 7See more | 6,419 |
| csi-secrets-store-provider-azurecsi-secrets-store-provider-azureVerified publisher | 1.8.2 | 5 of 5See more | 4,813 |
| paperless-ngxfmjstudios | 0.2.8 | 3 of 5See more | 35,065 |
| minifluxgabe565Verified publisher | 0.9.2 | 1 of 2See more | 1,957 |
| cubestoregadsme | 1.2.0 | 1 of 3See more | 3,934 |
| waypointhashicorpVerified publisher | 0.1.21 | 1 of 2See more | 4,963 |
| hivemq-operatorhivemqOfficialVerified publisher | 0.11.62 | 1 of 2See more | 9,407 |
| jaeger-all-in-onejaeger-all-in-oneVerified publisher | 0.1.12 | 1 of 1See more | 1,834 |
| cassandrakubelauncherVerified publisher | 0.1.29 | 1 of 1See more | 1,545 |
| etcdkubelauncherVerified publisher | 0.4.6 | 1 of 1See more | 682 |
| kafkakubelauncherVerified publisher | 0.1.28 | 1 of 1See more | 1,406 |
| keycloakkubelauncherVerified publisher | 0.5.0 | 1 of 1See more | 655 |
| kubectlkubelauncherVerified publisher | 0.3.0 | 1 of 1See more | 981 |
| mariadbkubelauncherVerified publisher | 1.0.0 | 1 of 1See more | 1,006 |
| mongodbkubelauncherVerified publisher | 0.4.7 | 1 of 1See more | 910 |
| rabbitmqkubelauncherVerified publisher | 0.2.16 | 1 of 1See more | 1,280 |
| rediskubelauncherVerified publisher | 0.5.4 | 1 of 1See more | 610 |
| zookeeperkubelauncherVerified publisher | 0.2.12 | 1 of 1See more | 1,209 |
| minecraft-proxyminecraft-server-chartsVerified publisher | 3.10.0 | 1 of 1See more | 3,267 |
| ntfyntfyVerified publisher | 0.5.23 | 1 of 1See more | 141 |
| mauticone-acre-fundVerified publisher | 0.1.7 | 1 of 3See more | 3,701 |
| opentelemetry-kube-stackopentelemetry-helmOfficialVerified publisher | 0.24.3 | 2 of 2See more | 951 |
| purelbpurelb | 0.0.0-106-ipv6-lbip-052cedab | 1 of 2See more | 5,546 |
| dex-k8s-authenticatorsagikazarmarkVerified publisher | 0.0.3 | 1 of 1See more | 3,961 |
| thanosstevehipwellVerified publisher | 1.24.1 | 1 of 1See more | 426 |
| gatustwin | 1.5.0 | 1 of 1See more | 1,130 |
| hedgedocadfinisVerified publisher | 0.6.1 | 1 of 2See more | 4,158 |
| caddyalekcVerified publisher | 0.9.2 | 1 of 1See more | 141 |
| aspnet-corebitnamiVerified publisher | 9.5.1 | 1 of 3See more | 166 |
| connaisseurconnaisseurVerified publisher | 2.13.0 | 2 of 2See more | 4,109 |
| kubeviewcowboysysopVerified publisher | 6.0.0 | 1 of 1See more | 2,541 |
| dependabot-gitlabdependabot-gitlabVerified publisher | 6.3.0 | 3 of 3See more | 43,319 |
| code-serverdeploy-code-server | 1.0.3 | 1 of 2See more | 6,403 |
| devtron-operatordevtron | 0.23.3 | 10 of 11See more | 41,631 |
| drone-runner-kubedroneVerified publisher | 0.1.10 | 1 of 1See more | 3,026 |
| fluent-operatorfluent | 4.3.0 | 1 of 1See more | 362 |
| gatekeepergogatekeeperVerified publisher | 0.1.66 | 1 of 1See more | 131 |
| grafana-operatorgrafana | 5.25.0 | 1 of 1See more | 153 |
| kubernetes-ingresshaproxytechVerified publisher | 1.54.2 | 1 of 1See more | 524 |
| envoy-gatewayhelmforgeVerified publisher | 2.1.2 | 3 of 3See more | 3,386 |
| n8nhelmforgeVerified publisher | 2.1.3 | 1 of 2See more | 1,948 |
| ilumilumOfficialVerified publisher | 6.7.3 | 6 of 19See more | 27,560 |
| syncthingk8s-home-lab-repo | 5.2.0 | 1 of 1See more | 1,466 |
| kube-greenkube-green-officialOfficialVerified publisher | 0.7.1 | 1 of 1See more | 911 |
| lakekeeperlakekeeperVerified publisher | 0.12.0 | 1 of 2See more | 2,686 |
| temporallemontechVerified publisher | 0.37.0 | 6 of 13See more | 21,530 |
| litmuslitmuschaos | 3.30.0 | 2 of 6See more | 8,925 |
Container images carrying it
6,355 by charts deploying them
A fixed version is listed for 1 of the 3 affected packages.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| iomesh/ | e3b92f838f4b | stdlib | 1.26.9 | 1 |
| iomesh/ | eea5651f3270 | stdlib | 1.26.9 | 1 |
| iosifache/ | 85df3f04b5da | stdlib | 1.26.9 | 1 |
| iotaledger/ | b02a8f77474f | stdlib | 1.26.9 | 1 |
| iotaledger/ | 01206f1ba89c | stdlib | 1.26.9 | 1 |
| iotaledger/ | 12c669cb8748 | stdlib | 1.26.9 | 1 |
| ipfs/ | 17259397f587 | stdlib | 1.26.9 | 1 |
| ipfs/ | bfce363b878b | stdlib | 1.26.9 | 1 |
| ipfs/ | 1511f6d57994 | stdlib | 1.26.9 | 1 |
| ipfs/ | 0661819c2e09 | stdlib | 1.26.9 | 1 |
| ipfs/ | 803fac58ba15 | stdlib | 1.26.9 | 1 |
| ipfs/ | b293923d66e4 | stdlib | 1.26.9 | 1 |
| ipfs/ | e3de33bd746b | stdlib | 1.26.9 | 1 |
| ipushc/ | fa3e0c66c289 | stdlib | 1.26.9 | 1 |
| irakli/ | 966a4bfefe27 | stdlib | 1.26.9 | 1 |
| ispras/ | 42aa9fa9f189 | stdlib | 1.26.9 | 1 |
| istio/ | 2232f365aed6 | stdlib | 1.26.9 | 1 |
| istio/ | ab34c4740f44 | stdlib | 1.26.9 | 1 |
| istio/ | ce27c9ce43c8 | stdlib | 1.26.9 | 1 |
| istio/ | 655eefa11c84 | stdlib | 1.26.9 | 1 |
| istio/ | 6cfce8a071b9 | stdlib | 1.26.9 | 1 |
| istio/ | 70f9d1fe5fff | stdlib | 1.26.9 | 1 |
| istio/ | 325156535773 | stdlib | 1.26.9 | 1 |
| istio/ | 52f25f91d702 | stdlib | 1.26.9 | 1 |
| istio/ | 9c3d6a218181 | stdlib | 1.26.9 | 1 |
| istio/ | ac0284d75ec9 | stdlib | 1.26.9 | 1 |
| istio/ | ce9d87606701 | stdlib | 1.26.9 | 1 |
| istio/ | db08d6963975 | stdlib | 1.26.9 | 1 |
| istio/ | e7e110a421c2 | stdlib | 1.26.9 | 1 |
| istio/ | f8b0e412ac4a | stdlib | 1.26.9 | 1 |
| istio/ | df69c1a7af7c | stdlib | 1.26.9 | 1 |
| itscontained/ | 7ec3e93c6469 | stdlib | 1.26.9 | 1 |
| itzg/ | 7b7ff61d2a60 | stdlib | 1.26.9 | 1 |
| itzg/ | 64ae69eaa7a6 | stdlib | 1.26.9 | 1 |
| itzg/ | bb552b59fb53 | stdlib | 1.26.9 | 1 |
| itzg/ | de5d1b1a83eb | stdlib | 1.26.9 | 1 |
| itzmanish/ | 02154d1c05b5 | stdlib | 1.26.9 | 1 |
| ixsystems/ | 19c218455cd2 | stdlib | 1.26.9 | 1 |
| j0113/ | 696cb8ca9f4e | stdlib | 1.26.9 | 1 |
| jacobalberty/ | 4a3616625dda | stdlib | 1.26.9 | 1 |
| jacobalberty/ | b3edc809a3ff | stdlib | 1.26.9 | 1 |
| jaegertracing/ | 42822be7888b | stdlib | 1.26.9 | 1 |
| jaegertracing/ | 60e65bfffe1f | stdlib | 1.26.9 | 1 |
| jaegertracing/ | 7d32a4eddec7 | stdlib | 1.26.9 | 1 |
| jaegertracing/ | ca6b73330616 | stdlib | 1.26.9 | 1 |
| jaegertracing/ | db45c07f2e1b | stdlib | 1.26.9 | 1 |
| jaegertracing/ | f6b5d09073f1 | stdlib | 1.26.9 | 1 |
| jaegertracing/ | 3d0ac795ff98 | stdlib | 1.26.9 | 1 |
| jaegertracing/ | 46a886260e04 | stdlib | 1.26.9 | 1 |
| jaegertracing/ | e128b9adbb29 | stdlib | 1.26.9 | 1 |